Antenna



FIG. 1 is a front perspective view of the antenna, showing my new design;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a right elevation view thereof;

FIG. 8 is a left elevation view thereof; and

FIG. 9 is a perspective view thereof in use with a base;

FIG. 10 is a perspective view thereof in use on furniture;

FIG. 11 is another perspective view thereof in use with a base;

FIG. 12 is a perspective view thereof in use on a wall;

FIG. 13 is still another perspective view thereof in use with a base; and,

FIG. 14 is another perspective view thereof in use on a wall.

The broken lines in the figures show areas of the antenna and also environment which form no part of the claimed design. 

The ornamental design for an antenna, as shown and described. 